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Machine tool with parallel-serial (hybrid) kinematics structure represents unconventional type machine tools whose characteristics depend on the kinematic configuration. Therefore, it is necessary to perform a separate accuracy analysis for each type of mechanism. If we describe the accuracy of a machine as a characteristic that is a consequence of a number of properties of the mechanical and control structure, then one of the best indicators of the characteristics of a machine is the state of positioning accuracy. Conventional machine tools based exclusively on serial (in-line) kinematic structure have standards and recommendations (ISO 230-2, VDI DGQ 3441) that deal with positioning accuracy. This paper describes the measurement of the positioning accuracy of a machine tool with a hybrid kinematic structure "O-X glide" according to the ISO 230-2 standard and analyzes the obtained results of this mechatronic system.
Mašine alatke sa parelelno-serijskom (hibridnom) kinematskom strukturom predstavljaju nekonvencionalan tip mašina alatki čije karakteristike zavise od kinematske konfiguracije. Zbog toga je neophodno da se za svaki tip mehanizma izvrši posebna analiza tačnosti. Ako tačnost neke mašine opisujemo kao karakteristiku koja je posledica niza osobina mehaničke i upravljačke strukture, onda je jedan od najboljih pokazatelja karakteristika mašine stanje tačnosti pozicioniranja. Kod konvencionalnih mašina alatki koje se baziraju isključivo na serijskoj (rednoj) kinematskoj strukturi postoje standardi i preporuke (ISO 230-2, VDI DGQ 3441), koje se bave problemom tačnosti pozicioniranja. U ovom radu se opisuje merenje tačnosti pozicinoranja mašine alatke sa hibridnom kinematskom strukturom „O-X glide“ prema standardu ISO 230-2 i analiziraju se dobijeni rezultati.
O-X glide, hibridna mašina alatka, ISO 230-2, Tačnost pozicioniranja
O-X glide, hibridna mašina alatka, ISO 230-2, Tačnost pozicioniranja
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